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[matrix] Log of /pkg/Matrix/src/t_Csparse_validate.c
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Log of /pkg/Matrix/src/t_Csparse_validate.c

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Revision 2889 - (view) (download) (as text) (annotate) - [select for diffs]
Added Thu Aug 8 21:06:22 2013 UTC (5 years, 8 months ago) by mmaechler
File length: 2940 byte(s)
Provide  sparse solve() methods for <dgCMatrix> that work via LU decomp.
"Cheap" fix for the lu() -> sometimes/occasionally unsorted columns in resulting L / U matrix bug:
In C, have new  Csparse_sort2(.) version of Csparse_validate() and in 
R a .sortCsparse(.) using .Call(Csparse_sort, x) -- seems to work ok... but want tests and docu;
also can be quite a bit more efficient already in C; -- TODOs

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